CVE-2018-0818 ChakraCore RCE Vulnerability
Attackers can bypass Control Flow Guard in ChakraCore to execute arbitrary code when combined with another vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-0818?
CVE-2018-0818 is a high-severity vulnerability in Microsoft Chakracore, published on 10 Jan 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass".
Which versions are affected by CVE-2018-0818?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.8.0 |
Microsoft.ChakraCore NuGet | All versions | 1.8.0 |
Products include Microsoft Chakracore.
How do I fix CVE-2018-0818?
Upgrade Microsoft.ChakraCore to 1.8.0 or later.
Is CVE-2018-0818 being exploited?
There is no known exploitation of CVE-2018-0818 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Chakracore
Sources
Also known as GHSA-fv8m-p45w-gf38.